20280491328

素因数分解:

$2^6\times 3^1\times {\mathrm{157}}^1\times {\mathrm{672787}}^1$

素因数の和:672959

約数の個数: 56

約数和(自身を含む): 54000656032

約数和(自身を除く): 33720164704

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 157, 192, 314, 471, 628, 942, 1256, 1884, 2512, 3768, 5024, 7536, 10048, 15072, 30144, 672787, 1345574, 2018361, 2691148, 4036722, 5382296, 8073444, 10764592, 16146888, 21529184, 32293776, 43058368, 64587552, 105627559, 129175104, 211255118, 316882677, 422510236, 633765354, 845020472, 1267530708, 1690040944, 2535061416, 3380081888, 5070122832, 6760163776, 10140245664, 20280491328]

約数ペア:

[(1, 20280491328), (2, 10140245664), (3, 6760163776), (4, 5070122832), (6, 3380081888), (8, 2535061416), (12, 1690040944), (16, 1267530708), (24, 845020472), (32, 633765354), (48, 422510236), (64, 316882677), (96, 211255118), (157, 129175104), (192, 105627559), (314, 64587552), (471, 43058368), (628, 32293776), (942, 21529184), (1256, 16146888), (1884, 10764592), (2512, 8073444), (3768, 5382296), (5024, 4036722), (7536, 2691148), (10048, 2018361), (15072, 1345574), (30144, 672787)]